Finding the Fourth Proportional to 771,430.02, 1,157,221.14 and 265,924.44
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Solution
The fourth proportional to 771,430.02, 1,157,221.14 and 265,924.44 is: 398,912.90
Step by Step Solution
- Step 1: Write the proportion equation
771,430.02 : 1,157,221.14 = 265,924.44 : x - Step 2: Convert to fraction form
771,430.02/1,157,221.14 = 265,924.44/x - Step 3: Cross multiply
771,430.02x = 1,157,221.14 × 265,924.44 - Step 4: Simplify right side
771,430.02x = 307,733,383,610.66 - Step 5: Solve for x
x = 307,733,383,610.66/771,430.02 - Step 6: Final answer
x = 398,912.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.